/*
 * SRT - Secure, Reliable, Transport
 * Copyright (c) 2020 Haivision Systems Inc.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 */
#include <iomanip>
#include <math.h>
#include <stdexcept>
#include "sync.h"
#include "srt_compat.h"
#include "common.h"

////////////////////////////////////////////////////////////////////////////////
//
// SyncCond (based on stl chrono C++11)
//
////////////////////////////////////////////////////////////////////////////////

srt::sync::Condition::Condition() {}

srt::sync::Condition::~Condition() {}

void srt::sync::Condition::init() {}

void srt::sync::Condition::destroy() {}

void srt::sync::Condition::wait(UniqueLock& lock)
{
    m_cv.wait(lock);
}

bool srt::sync::Condition::wait_for(UniqueLock& lock, const steady_clock::duration& rel_time)
{
    // Another possible implementation is wait_until(steady_clock::now() + timeout);
    return m_cv.wait_for(lock, rel_time) != cv_status::timeout;
}

bool srt::sync::Condition::wait_until(UniqueLock& lock, const steady_clock::time_point& timeout_time)
{
    return m_cv.wait_until(lock, timeout_time) != cv_status::timeout;
}

void srt::sync::Condition::notify_one()
{
    m_cv.notify_one();
}

void srt::sync::Condition::notify_all()
{
    m_cv.notify_all();
}

////////////////////////////////////////////////////////////////////////////////
//
// CThreadError class - thread local storage error wrapper
//
////////////////////////////////////////////////////////////////////////////////

// Threal local error will be used by CUDTUnited
// with a static scope, therefore static thread_local
static thread_local CUDTException s_thErr;

void srt::sync::SetThreadLocalError(const CUDTException& e)
{
    s_thErr = e;
}

CUDTException& srt::sync::GetThreadLocalError()
{
    return s_thErr;
}